<template>
    <div>
        <!-- 面包屑导航区域 -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>商品管理</el-breadcrumb-item>
            <el-breadcrumb-item>商品列表</el-breadcrumb-item>
        </el-breadcrumb>

        <!-- 卡片视图区域 -->
        <el-card>
            <el-row :gutter="20">
                <el-col :span="8">
                    <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList">
                        <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
                    </el-input>
                </el-col>
                <el-col :span="4">
                    <el-button type="primary" @click="goAddPage">添加商品</el-button>
                </el-col>
            </el-row>

            <!-- 商品列表区域 -->
            <el-table :data="goodsListData" border stripe>
                <el-table-column type="index" width="50"></el-table-column>
                <el-table-column prop="goods_name" label="商品名称"></el-table-column>
                <el-table-column prop="goods_price" label="商品价格(元)" width="100"></el-table-column>
                <el-table-column prop="goods_weight" label="商品重量" width="100"></el-table-column>
                <el-table-column label="创建时间" prop="add_time" width='140px'>
                    <template slot-scope="scope">
                        {{scope.row.add_time | dataFormat}}
                    </template>
                </el-table-column>
                <el-table-column label="操作" width="180">
                    <template slot-scope="scope">
                        <el-button size="mini" type="primary" icon="el-icon-edit" @click="handleEdit(scope.row)">编辑</el-button>
                        <el-button size="mini" type="danger" icon="el-icon-delete" @click="removeById(scope.row.goods_id)">删除</el-button>
                    </template>
                </el-table-column>
            </el-table>

            <!-- 分页 -->
            <el-pagination
                @size-change="handleSizeChange"
                @current-change="handleCurrentChange"
                :current-page="queryInfo.pagenum"
                :page-sizes="[5, 10, 15, 20]"
                :page-size="queryInfo.pagesize"
                layout="total, sizes, prev, pager, next, jumper"
                :total="total"
                background>
            </el-pagination>
        </el-card>
    </div>
</template>

<script>

export default {
    name: 'List',
    data() {
        return {
            queryInfo: {
                query: '',
                pagenum: 1,
                pagesize: 5
            },
            // 商品列表数据
            goodsListData: [],
            total: 0
        }
    },
    created() {
        // 获取商品列表数据
        this.getGoodsList()
    },
    methods: {
        async getGoodsList() {
            const { data: res } = await this.$http.get('goods', {
                params: {
                    ...this.queryInfo
                }
            })
            // console.log(res);
            if(res.meta.status === 200) {
                this.goodsListData = res.data.goods
                this.total = res.data.total
                this.$message.success('获取商品列表成功！')
            }else {
                return this.$message.error('获取商品列表失败！')
            }
        },
        async removeById(goods_id) {
            const confirmResult = await this.$confirm(
                '此操作将永久删除该商品, 是否继续?',
                '提示',
                {
                confirmButtonText: '确定',
                cancelButtonText: '取消',
                type: 'warning'
                }
            ).catch(err => err)

            if(confirmResult === 'confirm') {
                const { data: res } = await this.$http.delete(`goods/${goods_id}`)
                console.log(res);
                if(res.meta.status === 200) {
                    this.getGoodsList()
                    this.$message.success('删除商品成功！')
                }else {
                    return this.$message.error('删除商品失败！')
                }
            }else {
                return this.$message.info('已经取消删除！')
            }
        },
        handleSizeChange(newSize) {
            console.log(newSize);
            this.queryInfo.pagesize = newSize
            // 刷新商品列表
            this.getGoodsList();
        },
        handleCurrentChange(newPage) {
            // console.log(newPage);
            this.queryInfo.pagenum = newPage
            // 刷新商品列表
            this.getGoodsList();
        },
        goAddPage() {
            this.$router.push('/goods/add');
        }
    },
};

</script>


<style lang="less" scoped>

</style>
